X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=drivers%2Fnet%2Focteontx2%2Fotx2_ethdev.c;h=dfa8cd205c6f2d9cc697d89e23d606e396605f3b;hb=87195879a066258bacb0252712d438955c72d7c5;hp=1081d070ac67669250e7660d3ef1407e01ae586e;hpb=fb3ae0951abd05ff0dc9616a650d81b89c5ac33b;p=dpdk.git diff --git a/drivers/net/octeontx2/otx2_ethdev.c b/drivers/net/octeontx2/otx2_ethdev.c index 1081d070ac..dfa8cd205c 100644 --- a/drivers/net/octeontx2/otx2_ethdev.c +++ b/drivers/net/octeontx2/otx2_ethdev.c @@ -3,7 +3,6 @@ */ #include -#include #include #include @@ -28,9 +27,15 @@ nix_get_rx_offload_capa(struct otx2_eth_dev *dev) static inline uint64_t nix_get_tx_offload_capa(struct otx2_eth_dev *dev) { - RTE_SET_USED(dev); - - return NIX_TX_OFFLOAD_CAPA; + uint64_t capa = NIX_TX_OFFLOAD_CAPA; + + /* TSO not supported for earlier chip revisions */ + if (otx2_dev_is_96xx_A0(dev) || otx2_dev_is_95xx_Ax(dev)) + capa &= ~(DEV_TX_OFFLOAD_TCP_TSO | + DEV_TX_OFFLOAD_VXLAN_TNL_TSO | + DEV_TX_OFFLOAD_GENEVE_TNL_TSO | + DEV_TX_OFFLOAD_GRE_TNL_TSO); + return capa; } static const struct otx2_dev_ops otx2_dev_ops = { @@ -63,6 +68,7 @@ nix_lf_alloc(struct otx2_eth_dev *dev, uint32_t nb_rxq, uint32_t nb_txq) req->rx_cfg |= BIT_ULL(37 /* CSUM_OL4 */); req->rx_cfg |= BIT_ULL(36 /* CSUM_IL4 */); } + req->rx_cfg |= BIT_ULL(32 /* DROP_RE */); rc = otx2_mbox_process_msg(mbox, (void *)&rsp); if (rc) @@ -84,6 +90,30 @@ nix_lf_alloc(struct otx2_eth_dev *dev, uint32_t nb_rxq, uint32_t nb_txq) return 0; } +static int +nix_lf_switch_header_type_enable(struct otx2_eth_dev *dev) +{ + struct otx2_mbox *mbox = dev->mbox; + struct npc_set_pkind *req; + struct msg_resp *rsp; + int rc; + + if (dev->npc_flow.switch_header_type == 0) + return 0; + + /* Notify AF about higig2 config */ + req = otx2_mbox_alloc_msg_npc_set_pkind(mbox); + req->mode = dev->npc_flow.switch_header_type; + req->dir = PKIND_RX; + rc = otx2_mbox_process_msg(mbox, (void *)&rsp); + if (rc) + return rc; + req = otx2_mbox_alloc_msg_npc_set_pkind(mbox); + req->mode = dev->npc_flow.switch_header_type; + req->dir = PKIND_TX; + return otx2_mbox_process_msg(mbox, (void *)&rsp); +} + static int nix_lf_free(struct otx2_eth_dev *dev) { @@ -135,6 +165,68 @@ otx2_cgx_rxtx_stop(struct otx2_eth_dev *dev) return otx2_mbox_process(mbox); } +static int +npc_rx_enable(struct otx2_eth_dev *dev) +{ + struct otx2_mbox *mbox = dev->mbox; + + otx2_mbox_alloc_msg_nix_lf_start_rx(mbox); + + return otx2_mbox_process(mbox); +} + +static int +npc_rx_disable(struct otx2_eth_dev *dev) +{ + struct otx2_mbox *mbox = dev->mbox; + + otx2_mbox_alloc_msg_nix_lf_stop_rx(mbox); + + return otx2_mbox_process(mbox); +} + +static int +nix_cgx_start_link_event(struct otx2_eth_dev *dev) +{ + struct otx2_mbox *mbox = dev->mbox; + + if (otx2_dev_is_vf(dev)) + return 0; + + otx2_mbox_alloc_msg_cgx_start_linkevents(mbox); + + return otx2_mbox_process(mbox); +} + +static int +cgx_intlbk_enable(struct otx2_eth_dev *dev, bool en) +{ + struct otx2_mbox *mbox = dev->mbox; + + if (otx2_dev_is_vf(dev)) + return 0; + + if (en) + otx2_mbox_alloc_msg_cgx_intlbk_enable(mbox); + else + otx2_mbox_alloc_msg_cgx_intlbk_disable(mbox); + + return otx2_mbox_process(mbox); +} + +static int +nix_cgx_stop_link_event(struct otx2_eth_dev *dev) +{ + struct otx2_mbox *mbox = dev->mbox; + + if (otx2_dev_is_vf(dev)) + return 0; + + otx2_mbox_alloc_msg_cgx_stop_linkevents(mbox); + + return otx2_mbox_process(mbox); +} + static inline void nix_rx_queue_reset(struct otx2_eth_rxq *rxq) { @@ -205,24 +297,31 @@ nix_cq_rq_init(struct rte_eth_dev *eth_dev, struct otx2_eth_dev *dev, aq->cq.cq_err_int_ena = BIT(NIX_CQERRINT_CQE_FAULT); aq->cq.cq_err_int_ena |= BIT(NIX_CQERRINT_DOOR_ERR); - /* TX pause frames enable flowctrl on RX side */ - if (dev->fc_info.tx_pause) { - /* Single bpid is allocated for all rx channels for now */ - aq->cq.bpid = dev->fc_info.bpid[0]; - aq->cq.bp = NIX_CQ_BP_LEVEL; - aq->cq.bp_ena = 1; - } - /* Many to one reduction */ aq->cq.qint_idx = qid % dev->qints; + /* Map CQ0 [RQ0] to CINT0 and so on till max 64 irqs */ + aq->cq.cint_idx = qid; if (otx2_ethdev_fixup_is_limit_cq_full(dev)) { + const float rx_cq_skid = NIX_CQ_FULL_ERRATA_SKID; uint16_t min_rx_drop; - const float rx_cq_skid = 1024 * 256; min_rx_drop = ceil(rx_cq_skid / (float)cq_size); aq->cq.drop = min_rx_drop; aq->cq.drop_ena = 1; + rxq->cq_drop = min_rx_drop; + } else { + rxq->cq_drop = NIX_CQ_THRESH_LEVEL; + aq->cq.drop = rxq->cq_drop; + aq->cq.drop_ena = 1; + } + + /* TX pause frames enable flowctrl on RX side */ + if (dev->fc_info.tx_pause) { + /* Single bpid is allocated for all rx channels for now */ + aq->cq.bpid = dev->fc_info.bpid[0]; + aq->cq.bp = rxq->cq_drop; + aq->cq.bp_ena = 1; } rc = otx2_mbox_process(mbox); @@ -261,8 +360,7 @@ nix_cq_rq_init(struct rte_eth_dev *eth_dev, struct otx2_eth_dev *dev, /* Many to one reduction */ aq->rq.qint_idx = qid % dev->qints; - if (otx2_ethdev_fixup_is_limit_cq_full(dev)) - aq->rq.xqe_drop_ena = 1; + aq->rq.xqe_drop_ena = 1; rc = otx2_mbox_process(mbox); if (rc) { @@ -457,6 +555,20 @@ otx2_nix_rx_queue_setup(struct rte_eth_dev *eth_dev, uint16_t rq, eth_dev->data->rx_queues[rq] = rxq; eth_dev->data->rx_queue_state[rq] = RTE_ETH_QUEUE_STATE_STOPPED; + + /* Calculating delta and freq mult between PTP HI clock and tsc. + * These are needed in deriving raw clock value from tsc counter. + * read_clock eth op returns raw clock value. + */ + if ((dev->rx_offloads & DEV_RX_OFFLOAD_TIMESTAMP) || + otx2_ethdev_is_ptp_en(dev)) { + rc = otx2_nix_raw_clock_tsc_conv(dev); + if (rc) { + otx2_err("Failed to calculate delta and freq mult"); + goto fail; + } + } + return 0; free_rxq: @@ -478,6 +590,108 @@ nix_sq_max_sqe_sz(struct otx2_eth_txq *txq) return NIX_MAXSQESZ_W8; } +static uint16_t +nix_rx_offload_flags(struct rte_eth_dev *eth_dev) +{ + struct otx2_eth_dev *dev = otx2_eth_pmd_priv(eth_dev); + struct rte_eth_dev_data *data = eth_dev->data; + struct rte_eth_conf *conf = &data->dev_conf; + struct rte_eth_rxmode *rxmode = &conf->rxmode; + uint16_t flags = 0; + + if (rxmode->mq_mode == ETH_MQ_RX_RSS) + flags |= NIX_RX_OFFLOAD_RSS_F; + + if (dev->rx_offloads & (DEV_RX_OFFLOAD_TCP_CKSUM | + DEV_RX_OFFLOAD_UDP_CKSUM)) + flags |= NIX_RX_OFFLOAD_CHECKSUM_F; + + if (dev->rx_offloads & (DEV_RX_OFFLOAD_IPV4_CKSUM | + DEV_RX_OFFLOAD_OUTER_IPV4_CKSUM)) + flags |= NIX_RX_OFFLOAD_CHECKSUM_F; + + if (dev->rx_offloads & DEV_RX_OFFLOAD_SCATTER) + flags |= NIX_RX_MULTI_SEG_F; + + if (dev->rx_offloads & (DEV_RX_OFFLOAD_VLAN_STRIP | + DEV_RX_OFFLOAD_QINQ_STRIP)) + flags |= NIX_RX_OFFLOAD_VLAN_STRIP_F; + + if ((dev->rx_offloads & DEV_RX_OFFLOAD_TIMESTAMP)) + flags |= NIX_RX_OFFLOAD_TSTAMP_F; + + return flags; +} + +static uint16_t +nix_tx_offload_flags(struct rte_eth_dev *eth_dev) +{ + struct otx2_eth_dev *dev = otx2_eth_pmd_priv(eth_dev); + uint64_t conf = dev->tx_offloads; + uint16_t flags = 0; + + /* Fastpath is dependent on these enums */ + RTE_BUILD_BUG_ON(PKT_TX_TCP_CKSUM != (1ULL << 52)); + RTE_BUILD_BUG_ON(PKT_TX_SCTP_CKSUM != (2ULL << 52)); + RTE_BUILD_BUG_ON(PKT_TX_UDP_CKSUM != (3ULL << 52)); + RTE_BUILD_BUG_ON(PKT_TX_IP_CKSUM != (1ULL << 54)); + RTE_BUILD_BUG_ON(PKT_TX_IPV4 != (1ULL << 55)); + RTE_BUILD_BUG_ON(PKT_TX_OUTER_IP_CKSUM != (1ULL << 58)); + RTE_BUILD_BUG_ON(PKT_TX_OUTER_IPV4 != (1ULL << 59)); + RTE_BUILD_BUG_ON(PKT_TX_OUTER_IPV6 != (1ULL << 60)); + RTE_BUILD_BUG_ON(PKT_TX_OUTER_UDP_CKSUM != (1ULL << 41)); + RTE_BUILD_BUG_ON(RTE_MBUF_L2_LEN_BITS != 7); + RTE_BUILD_BUG_ON(RTE_MBUF_L3_LEN_BITS != 9); + RTE_BUILD_BUG_ON(RTE_MBUF_OUTL2_LEN_BITS != 7); + RTE_BUILD_BUG_ON(RTE_MBUF_OUTL3_LEN_BITS != 9); + RTE_BUILD_BUG_ON(offsetof(struct rte_mbuf, data_off) != + offsetof(struct rte_mbuf, buf_iova) + 8); + RTE_BUILD_BUG_ON(offsetof(struct rte_mbuf, ol_flags) != + offsetof(struct rte_mbuf, buf_iova) + 16); + RTE_BUILD_BUG_ON(offsetof(struct rte_mbuf, pkt_len) != + offsetof(struct rte_mbuf, ol_flags) + 12); + RTE_BUILD_BUG_ON(offsetof(struct rte_mbuf, tx_offload) != + offsetof(struct rte_mbuf, pool) + 2 * sizeof(void *)); + + if (conf & DEV_TX_OFFLOAD_VLAN_INSERT || + conf & DEV_TX_OFFLOAD_QINQ_INSERT) + flags |= NIX_TX_OFFLOAD_VLAN_QINQ_F; + + if (conf & DEV_TX_OFFLOAD_OUTER_IPV4_CKSUM || + conf & DEV_TX_OFFLOAD_OUTER_UDP_CKSUM) + flags |= NIX_TX_OFFLOAD_OL3_OL4_CSUM_F; + + if (conf & DEV_TX_OFFLOAD_IPV4_CKSUM || + conf & DEV_TX_OFFLOAD_TCP_CKSUM || + conf & DEV_TX_OFFLOAD_UDP_CKSUM || + conf & DEV_TX_OFFLOAD_SCTP_CKSUM) + flags |= NIX_TX_OFFLOAD_L3_L4_CSUM_F; + + if (!(conf & DEV_TX_OFFLOAD_MBUF_FAST_FREE)) + flags |= NIX_TX_OFFLOAD_MBUF_NOFF_F; + + if (conf & DEV_TX_OFFLOAD_MULTI_SEGS) + flags |= NIX_TX_MULTI_SEG_F; + + /* Enable Inner checksum for TSO */ + if (conf & DEV_TX_OFFLOAD_TCP_TSO) + flags |= (NIX_TX_OFFLOAD_TSO_F | + NIX_TX_OFFLOAD_L3_L4_CSUM_F); + + /* Enable Inner and Outer checksum for Tunnel TSO */ + if (conf & (DEV_TX_OFFLOAD_VXLAN_TNL_TSO | + DEV_TX_OFFLOAD_GENEVE_TNL_TSO | + DEV_TX_OFFLOAD_GRE_TNL_TSO)) + flags |= (NIX_TX_OFFLOAD_TSO_F | + NIX_TX_OFFLOAD_OL3_OL4_CSUM_F | + NIX_TX_OFFLOAD_L3_L4_CSUM_F); + + if ((dev->rx_offloads & DEV_RX_OFFLOAD_TIMESTAMP)) + flags |= NIX_TX_OFFLOAD_TSTAMP_F; + + return flags; +} + static int nix_sq_init(struct otx2_eth_txq *txq) { @@ -583,7 +797,8 @@ nix_sq_uninit(struct otx2_eth_txq *txq) while (count) { void *next_sqb; - next_sqb = *(void **)((uintptr_t)sqb_buf + ((sqes_per_sqb - 1) * + next_sqb = *(void **)((uintptr_t)sqb_buf + (uint32_t) + ((sqes_per_sqb - 1) * nix_sq_max_sqe_sz(txq))); npa_lf_aura_op_free(txq->sqb_pool->pool_id, 1, (uint64_t)sqb_buf); @@ -644,7 +859,7 @@ nix_alloc_sqb_pool(int port, struct otx2_eth_txq *txq, uint16_t nb_desc) nb_sqb_bufs = nb_desc / sqes_per_sqb; /* Clamp up to devarg passed SQB count */ - nb_sqb_bufs = RTE_MIN(dev->max_sqb_count, RTE_MAX(NIX_MIN_SQB, + nb_sqb_bufs = RTE_MIN(dev->max_sqb_count, RTE_MAX(NIX_DEF_SQB, nb_sqb_bufs + NIX_SQB_LIST_SPACE)); txq->sqb_pool = rte_mempool_create_empty(name, NIX_MAX_SQB, blk_sz, @@ -721,8 +936,6 @@ otx2_nix_form_default_desc(struct otx2_eth_txq *txq) send_mem = (struct nix_send_mem_s *)(txq->cmd + (send_hdr->w0.sizem1 << 1)); send_mem->subdc = NIX_SUBDC_MEM; - send_mem->dsz = 0x0; - send_mem->wmem = 0x1; send_mem->alg = NIX_SENDMEMALG_SETTSTMP; send_mem->addr = txq->dev->tstamp.tx_tstamp_iova; } @@ -1035,6 +1248,306 @@ nix_set_nop_rxtx_function(struct rte_eth_dev *eth_dev) rte_mb(); } +static void +nix_lso_tcp(struct nix_lso_format_cfg *req, bool v4) +{ + volatile struct nix_lso_format *field; + + /* Format works only with TCP packet marked by OL3/OL4 */ + field = (volatile struct nix_lso_format *)&req->fields[0]; + req->field_mask = NIX_LSO_FIELD_MASK; + /* Outer IPv4/IPv6 */ + field->layer = NIX_TXLAYER_OL3; + field->offset = v4 ? 2 : 4; + field->sizem1 = 1; /* 2B */ + field->alg = NIX_LSOALG_ADD_PAYLEN; + field++; + if (v4) { + /* IPID field */ + field->layer = NIX_TXLAYER_OL3; + field->offset = 4; + field->sizem1 = 1; + /* Incremented linearly per segment */ + field->alg = NIX_LSOALG_ADD_SEGNUM; + field++; + } + + /* TCP sequence number update */ + field->layer = NIX_TXLAYER_OL4; + field->offset = 4; + field->sizem1 = 3; /* 4 bytes */ + field->alg = NIX_LSOALG_ADD_OFFSET; + field++; + /* TCP flags field */ + field->layer = NIX_TXLAYER_OL4; + field->offset = 12; + field->sizem1 = 1; + field->alg = NIX_LSOALG_TCP_FLAGS; + field++; +} + +static void +nix_lso_udp_tun_tcp(struct nix_lso_format_cfg *req, + bool outer_v4, bool inner_v4) +{ + volatile struct nix_lso_format *field; + + field = (volatile struct nix_lso_format *)&req->fields[0]; + req->field_mask = NIX_LSO_FIELD_MASK; + /* Outer IPv4/IPv6 len */ + field->layer = NIX_TXLAYER_OL3; + field->offset = outer_v4 ? 2 : 4; + field->sizem1 = 1; /* 2B */ + field->alg = NIX_LSOALG_ADD_PAYLEN; + field++; + if (outer_v4) { + /* IPID */ + field->layer = NIX_TXLAYER_OL3; + field->offset = 4; + field->sizem1 = 1; + /* Incremented linearly per segment */ + field->alg = NIX_LSOALG_ADD_SEGNUM; + field++; + } + + /* Outer UDP length */ + field->layer = NIX_TXLAYER_OL4; + field->offset = 4; + field->sizem1 = 1; + field->alg = NIX_LSOALG_ADD_PAYLEN; + field++; + + /* Inner IPv4/IPv6 */ + field->layer = NIX_TXLAYER_IL3; + field->offset = inner_v4 ? 2 : 4; + field->sizem1 = 1; /* 2B */ + field->alg = NIX_LSOALG_ADD_PAYLEN; + field++; + if (inner_v4) { + /* IPID field */ + field->layer = NIX_TXLAYER_IL3; + field->offset = 4; + field->sizem1 = 1; + /* Incremented linearly per segment */ + field->alg = NIX_LSOALG_ADD_SEGNUM; + field++; + } + + /* TCP sequence number update */ + field->layer = NIX_TXLAYER_IL4; + field->offset = 4; + field->sizem1 = 3; /* 4 bytes */ + field->alg = NIX_LSOALG_ADD_OFFSET; + field++; + + /* TCP flags field */ + field->layer = NIX_TXLAYER_IL4; + field->offset = 12; + field->sizem1 = 1; + field->alg = NIX_LSOALG_TCP_FLAGS; + field++; +} + +static void +nix_lso_tun_tcp(struct nix_lso_format_cfg *req, + bool outer_v4, bool inner_v4) +{ + volatile struct nix_lso_format *field; + + field = (volatile struct nix_lso_format *)&req->fields[0]; + req->field_mask = NIX_LSO_FIELD_MASK; + /* Outer IPv4/IPv6 len */ + field->layer = NIX_TXLAYER_OL3; + field->offset = outer_v4 ? 2 : 4; + field->sizem1 = 1; /* 2B */ + field->alg = NIX_LSOALG_ADD_PAYLEN; + field++; + if (outer_v4) { + /* IPID */ + field->layer = NIX_TXLAYER_OL3; + field->offset = 4; + field->sizem1 = 1; + /* Incremented linearly per segment */ + field->alg = NIX_LSOALG_ADD_SEGNUM; + field++; + } + + /* Inner IPv4/IPv6 */ + field->layer = NIX_TXLAYER_IL3; + field->offset = inner_v4 ? 2 : 4; + field->sizem1 = 1; /* 2B */ + field->alg = NIX_LSOALG_ADD_PAYLEN; + field++; + if (inner_v4) { + /* IPID field */ + field->layer = NIX_TXLAYER_IL3; + field->offset = 4; + field->sizem1 = 1; + /* Incremented linearly per segment */ + field->alg = NIX_LSOALG_ADD_SEGNUM; + field++; + } + + /* TCP sequence number update */ + field->layer = NIX_TXLAYER_IL4; + field->offset = 4; + field->sizem1 = 3; /* 4 bytes */ + field->alg = NIX_LSOALG_ADD_OFFSET; + field++; + + /* TCP flags field */ + field->layer = NIX_TXLAYER_IL4; + field->offset = 12; + field->sizem1 = 1; + field->alg = NIX_LSOALG_TCP_FLAGS; + field++; +} + +static int +nix_setup_lso_formats(struct otx2_eth_dev *dev) +{ + struct otx2_mbox *mbox = dev->mbox; + struct nix_lso_format_cfg_rsp *rsp; + struct nix_lso_format_cfg *req; + uint8_t base; + int rc; + + /* Skip if TSO was not requested */ + if (!(dev->tx_offload_flags & NIX_TX_OFFLOAD_TSO_F)) + return 0; + /* + * IPv4/TCP LSO + */ + req = otx2_mbox_alloc_msg_nix_lso_format_cfg(mbox); + nix_lso_tcp(req, true); + rc = otx2_mbox_process_msg(mbox, (void *)&rsp); + if (rc) + return rc; + + base = rsp->lso_format_idx; + if (base != NIX_LSO_FORMAT_IDX_TSOV4) + return -EFAULT; + dev->lso_base_idx = base; + otx2_nix_dbg("tcpv4 lso fmt=%u", base); + + + /* + * IPv6/TCP LSO + */ + req = otx2_mbox_alloc_msg_nix_lso_format_cfg(mbox); + nix_lso_tcp(req, false); + rc = otx2_mbox_process_msg(mbox, (void *)&rsp); + if (rc) + return rc; + + if (rsp->lso_format_idx != base + 1) + return -EFAULT; + otx2_nix_dbg("tcpv6 lso fmt=%u\n", base + 1); + + /* + * IPv4/UDP/TUN HDR/IPv4/TCP LSO + */ + req = otx2_mbox_alloc_msg_nix_lso_format_cfg(mbox); + nix_lso_udp_tun_tcp(req, true, true); + rc = otx2_mbox_process_msg(mbox, (void *)&rsp); + if (rc) + return rc; + + if (rsp->lso_format_idx != base + 2) + return -EFAULT; + otx2_nix_dbg("udp tun v4v4 fmt=%u\n", base + 2); + + /* + * IPv4/UDP/TUN HDR/IPv6/TCP LSO + */ + req = otx2_mbox_alloc_msg_nix_lso_format_cfg(mbox); + nix_lso_udp_tun_tcp(req, true, false); + rc = otx2_mbox_process_msg(mbox, (void *)&rsp); + if (rc) + return rc; + + if (rsp->lso_format_idx != base + 3) + return -EFAULT; + otx2_nix_dbg("udp tun v4v6 fmt=%u\n", base + 3); + + /* + * IPv6/UDP/TUN HDR/IPv4/TCP LSO + */ + req = otx2_mbox_alloc_msg_nix_lso_format_cfg(mbox); + nix_lso_udp_tun_tcp(req, false, true); + rc = otx2_mbox_process_msg(mbox, (void *)&rsp); + if (rc) + return rc; + + if (rsp->lso_format_idx != base + 4) + return -EFAULT; + otx2_nix_dbg("udp tun v6v4 fmt=%u\n", base + 4); + + /* + * IPv6/UDP/TUN HDR/IPv6/TCP LSO + */ + req = otx2_mbox_alloc_msg_nix_lso_format_cfg(mbox); + nix_lso_udp_tun_tcp(req, false, false); + rc = otx2_mbox_process_msg(mbox, (void *)&rsp); + if (rc) + return rc; + if (rsp->lso_format_idx != base + 5) + return -EFAULT; + otx2_nix_dbg("udp tun v6v6 fmt=%u\n", base + 5); + + /* + * IPv4/TUN HDR/IPv4/TCP LSO + */ + req = otx2_mbox_alloc_msg_nix_lso_format_cfg(mbox); + nix_lso_tun_tcp(req, true, true); + rc = otx2_mbox_process_msg(mbox, (void *)&rsp); + if (rc) + return rc; + + if (rsp->lso_format_idx != base + 6) + return -EFAULT; + otx2_nix_dbg("tun v4v4 fmt=%u\n", base + 6); + + /* + * IPv4/TUN HDR/IPv6/TCP LSO + */ + req = otx2_mbox_alloc_msg_nix_lso_format_cfg(mbox); + nix_lso_tun_tcp(req, true, false); + rc = otx2_mbox_process_msg(mbox, (void *)&rsp); + if (rc) + return rc; + + if (rsp->lso_format_idx != base + 7) + return -EFAULT; + otx2_nix_dbg("tun v4v6 fmt=%u\n", base + 7); + + /* + * IPv6/TUN HDR/IPv4/TCP LSO + */ + req = otx2_mbox_alloc_msg_nix_lso_format_cfg(mbox); + nix_lso_tun_tcp(req, false, true); + rc = otx2_mbox_process_msg(mbox, (void *)&rsp); + if (rc) + return rc; + + if (rsp->lso_format_idx != base + 8) + return -EFAULT; + otx2_nix_dbg("tun v6v4 fmt=%u\n", base + 8); + + /* + * IPv6/TUN HDR/IPv6/TCP LSO + */ + req = otx2_mbox_alloc_msg_nix_lso_format_cfg(mbox); + nix_lso_tun_tcp(req, false, false); + rc = otx2_mbox_process_msg(mbox, (void *)&rsp); + if (rc) + return rc; + if (rsp->lso_format_idx != base + 9) + return -EFAULT; + otx2_nix_dbg("tun v6v6 fmt=%u\n", base + 9); + return 0; +} + static int otx2_nix_configure(struct rte_eth_dev *eth_dev) { @@ -1053,64 +1566,64 @@ otx2_nix_configure(struct rte_eth_dev *eth_dev) /* Sanity checks */ if (rte_eal_has_hugepages() == 0) { otx2_err("Huge page is not configured"); - goto fail; - } - - if (rte_eal_iova_mode() != RTE_IOVA_VA) { - otx2_err("iova mode should be va"); - goto fail; + goto fail_configure; } if (conf->link_speeds & ETH_LINK_SPEED_FIXED) { otx2_err("Setting link speed/duplex not supported"); - goto fail; + goto fail_configure; } if (conf->dcb_capability_en == 1) { otx2_err("dcb enable is not supported"); - goto fail; + goto fail_configure; } if (conf->fdir_conf.mode != RTE_FDIR_MODE_NONE) { otx2_err("Flow director is not supported"); - goto fail; + goto fail_configure; } if (rxmode->mq_mode != ETH_MQ_RX_NONE && rxmode->mq_mode != ETH_MQ_RX_RSS) { otx2_err("Unsupported mq rx mode %d", rxmode->mq_mode); - goto fail; + goto fail_configure; } if (txmode->mq_mode != ETH_MQ_TX_NONE) { otx2_err("Unsupported mq tx mode %d", txmode->mq_mode); - goto fail; + goto fail_configure; + } + + if (otx2_dev_is_Ax(dev) && + (txmode->offloads & DEV_TX_OFFLOAD_SCTP_CKSUM) && + ((txmode->offloads & DEV_TX_OFFLOAD_OUTER_IPV4_CKSUM) || + (txmode->offloads & DEV_TX_OFFLOAD_OUTER_UDP_CKSUM))) { + otx2_err("Outer IP and SCTP checksum unsupported"); + goto fail_configure; } /* Free the resources allocated from the previous configure */ if (dev->configured == 1) { otx2_nix_rxchan_bpid_cfg(eth_dev, false); otx2_nix_vlan_fini(eth_dev); + otx2_nix_mc_addr_list_uninstall(eth_dev); + otx2_flow_free_all_resources(dev); oxt2_nix_unregister_queue_irqs(eth_dev); + if (eth_dev->data->dev_conf.intr_conf.rxq) + oxt2_nix_unregister_cq_irqs(eth_dev); nix_set_nop_rxtx_function(eth_dev); rc = nix_store_queue_cfg_and_then_release(eth_dev); if (rc) - goto fail; + goto fail_configure; otx2_nix_tm_fini(eth_dev); nix_lf_free(dev); } - if (otx2_dev_is_A0(dev) && - (txmode->offloads & DEV_TX_OFFLOAD_SCTP_CKSUM) && - ((txmode->offloads & DEV_TX_OFFLOAD_OUTER_IPV4_CKSUM) || - (txmode->offloads & DEV_TX_OFFLOAD_OUTER_UDP_CKSUM))) { - otx2_err("Outer IP and SCTP checksum unsupported"); - rc = -EINVAL; - goto fail; - } - dev->rx_offloads = rxmode->offloads; dev->tx_offloads = txmode->offloads; + dev->rx_offload_flags |= nix_rx_offload_flags(eth_dev); + dev->tx_offload_flags |= nix_tx_offload_flags(eth_dev); dev->rss_info.rss_grps = NIX_RSS_GRPS; nb_rxq = RTE_MAX(data->nb_rx_queues, 1); @@ -1120,7 +1633,19 @@ otx2_nix_configure(struct rte_eth_dev *eth_dev) rc = nix_lf_alloc(dev, nb_rxq, nb_txq); if (rc) { otx2_err("Failed to init nix_lf rc=%d", rc); - goto fail; + goto fail_offloads; + } + + rc = nix_lf_switch_header_type_enable(dev); + if (rc) { + otx2_err("Failed to enable switch type nix_lf rc=%d", rc); + goto free_nix_lf; + } + + rc = nix_setup_lso_formats(dev); + if (rc) { + otx2_err("failed to setup nix lso format fields, rc=%d", rc); + goto free_nix_lf; } /* Configure RSS */ @@ -1140,31 +1665,55 @@ otx2_nix_configure(struct rte_eth_dev *eth_dev) rc = otx2_nix_vlan_offload_init(eth_dev); if (rc) { otx2_err("Failed to init vlan offload rc=%d", rc); - goto free_nix_lf; + goto tm_fini; } /* Register queue IRQs */ rc = oxt2_nix_register_queue_irqs(eth_dev); if (rc) { otx2_err("Failed to register queue interrupts rc=%d", rc); - goto free_nix_lf; + goto vlan_fini; + } + + /* Register cq IRQs */ + if (eth_dev->data->dev_conf.intr_conf.rxq) { + if (eth_dev->data->nb_rx_queues > dev->cints) { + otx2_err("Rx interrupt cannot be enabled, rxq > %d", + dev->cints); + goto q_irq_fini; + } + /* Rx interrupt feature cannot work with vector mode because, + * vector mode doesn't process packets unless min 4 pkts are + * received, while cq interrupts are generated even for 1 pkt + * in the CQ. + */ + dev->scalar_ena = true; + + rc = oxt2_nix_register_cq_irqs(eth_dev); + if (rc) { + otx2_err("Failed to register CQ interrupts rc=%d", rc); + goto q_irq_fini; + } + } + + /* Configure loop back mode */ + rc = cgx_intlbk_enable(dev, eth_dev->data->dev_conf.lpbk_mode); + if (rc) { + otx2_err("Failed to configure cgx loop back mode rc=%d", rc); + goto q_irq_fini; } rc = otx2_nix_rxchan_bpid_cfg(eth_dev, true); if (rc) { otx2_err("Failed to configure nix rx chan bpid cfg rc=%d", rc); - goto free_nix_lf; + goto q_irq_fini; } - /* Enable PTP if it was requested by the app or if it is already - * enabled in PF owning this VF - */ - memset(&dev->tstamp, 0, sizeof(struct otx2_timesync_info)); - if ((dev->rx_offloads & DEV_RX_OFFLOAD_TIMESTAMP) || - otx2_ethdev_is_ptp_en(dev)) - otx2_nix_timesync_enable(eth_dev); - else - otx2_nix_timesync_disable(eth_dev); + rc = otx2_nix_mc_addr_list_install(eth_dev); + if (rc < 0) { + otx2_err("Failed to install mc address list rc=%d", rc); + goto cq_fini; + } /* * Restore queue config when reconfigure followed by @@ -1173,7 +1722,7 @@ otx2_nix_configure(struct rte_eth_dev *eth_dev) if (dev->configured == 1) { rc = nix_restore_queue_cfg(eth_dev); if (rc) - goto free_nix_lf; + goto uninstall_mc_list; } /* Update the mac address */ @@ -1197,9 +1746,23 @@ otx2_nix_configure(struct rte_eth_dev *eth_dev) dev->configured_nb_tx_qs = data->nb_tx_queues; return 0; +uninstall_mc_list: + otx2_nix_mc_addr_list_uninstall(eth_dev); +cq_fini: + oxt2_nix_unregister_cq_irqs(eth_dev); +q_irq_fini: + oxt2_nix_unregister_queue_irqs(eth_dev); +vlan_fini: + otx2_nix_vlan_fini(eth_dev); +tm_fini: + otx2_nix_tm_fini(eth_dev); free_nix_lf: - rc = nix_lf_free(dev); -fail: + nix_lf_free(dev); +fail_offloads: + dev->rx_offload_flags &= ~nix_rx_offload_flags(eth_dev); + dev->tx_offload_flags &= ~nix_tx_offload_flags(eth_dev); +fail_configure: + dev->configured = 0; return rc; } @@ -1299,6 +1862,108 @@ done: return rc; } +static void +otx2_nix_dev_stop(struct rte_eth_dev *eth_dev) +{ + struct otx2_eth_dev *dev = otx2_eth_pmd_priv(eth_dev); + struct rte_mbuf *rx_pkts[32]; + struct otx2_eth_rxq *rxq; + int count, i, j, rc; + + nix_cgx_stop_link_event(dev); + npc_rx_disable(dev); + + /* Stop rx queues and free up pkts pending */ + for (i = 0; i < eth_dev->data->nb_rx_queues; i++) { + rc = otx2_nix_rx_queue_stop(eth_dev, i); + if (rc) + continue; + + rxq = eth_dev->data->rx_queues[i]; + count = dev->rx_pkt_burst_no_offload(rxq, rx_pkts, 32); + while (count) { + for (j = 0; j < count; j++) + rte_pktmbuf_free(rx_pkts[j]); + count = dev->rx_pkt_burst_no_offload(rxq, rx_pkts, 32); + } + } + + /* Stop tx queues */ + for (i = 0; i < eth_dev->data->nb_tx_queues; i++) + otx2_nix_tx_queue_stop(eth_dev, i); +} + +static int +otx2_nix_dev_start(struct rte_eth_dev *eth_dev) +{ + struct otx2_eth_dev *dev = otx2_eth_pmd_priv(eth_dev); + int rc, i; + + if (eth_dev->data->nb_rx_queues != 0) { + rc = otx2_nix_recalc_mtu(eth_dev); + if (rc) + return rc; + } + + /* Start rx queues */ + for (i = 0; i < eth_dev->data->nb_rx_queues; i++) { + rc = otx2_nix_rx_queue_start(eth_dev, i); + if (rc) + return rc; + } + + /* Start tx queues */ + for (i = 0; i < eth_dev->data->nb_tx_queues; i++) { + rc = otx2_nix_tx_queue_start(eth_dev, i); + if (rc) + return rc; + } + + rc = otx2_nix_update_flow_ctrl_mode(eth_dev); + if (rc) { + otx2_err("Failed to update flow ctrl mode %d", rc); + return rc; + } + + /* Enable PTP if it was requested by the app or if it is already + * enabled in PF owning this VF + */ + memset(&dev->tstamp, 0, sizeof(struct otx2_timesync_info)); + if ((dev->rx_offloads & DEV_RX_OFFLOAD_TIMESTAMP) || + otx2_ethdev_is_ptp_en(dev)) + otx2_nix_timesync_enable(eth_dev); + else + otx2_nix_timesync_disable(eth_dev); + + rc = npc_rx_enable(dev); + if (rc) { + otx2_err("Failed to enable NPC rx %d", rc); + return rc; + } + + otx2_nix_toggle_flag_link_cfg(dev, true); + + rc = nix_cgx_start_link_event(dev); + if (rc) { + otx2_err("Failed to start cgx link event %d", rc); + goto rx_disable; + } + + otx2_nix_toggle_flag_link_cfg(dev, false); + otx2_eth_set_tx_function(eth_dev); + otx2_eth_set_rx_function(eth_dev); + + return 0; + +rx_disable: + npc_rx_disable(dev); + otx2_nix_toggle_flag_link_cfg(dev, false); + return rc; +} + +static int otx2_nix_dev_reset(struct rte_eth_dev *eth_dev); +static void otx2_nix_dev_close(struct rte_eth_dev *eth_dev); + /* Initialize and register driver with DPDK Application */ static const struct eth_dev_ops otx2_eth_dev_ops = { .dev_infos_get = otx2_nix_info_get, @@ -1308,17 +1973,25 @@ static const struct eth_dev_ops otx2_eth_dev_ops = { .tx_queue_release = otx2_nix_tx_queue_release, .rx_queue_setup = otx2_nix_rx_queue_setup, .rx_queue_release = otx2_nix_rx_queue_release, + .dev_start = otx2_nix_dev_start, + .dev_stop = otx2_nix_dev_stop, + .dev_close = otx2_nix_dev_close, .tx_queue_start = otx2_nix_tx_queue_start, .tx_queue_stop = otx2_nix_tx_queue_stop, .rx_queue_start = otx2_nix_rx_queue_start, .rx_queue_stop = otx2_nix_rx_queue_stop, + .dev_set_link_up = otx2_nix_dev_set_link_up, + .dev_set_link_down = otx2_nix_dev_set_link_down, .dev_supported_ptypes_get = otx2_nix_supported_ptypes_get, + .dev_reset = otx2_nix_dev_reset, .stats_get = otx2_nix_dev_stats_get, .stats_reset = otx2_nix_dev_stats_reset, .get_reg = otx2_nix_dev_get_reg, + .mtu_set = otx2_nix_mtu_set, .mac_addr_add = otx2_nix_mac_addr_add, .mac_addr_remove = otx2_nix_mac_addr_del, .mac_addr_set = otx2_nix_mac_addr_set, + .set_mc_addr_list = otx2_nix_set_mc_addr_list, .promiscuous_enable = otx2_nix_promisc_enable, .promiscuous_disable = otx2_nix_promisc_disable, .allmulticast_enable = otx2_nix_allmulticast_enable, @@ -1338,6 +2011,7 @@ static const struct eth_dev_ops otx2_eth_dev_ops = { .rx_queue_count = otx2_nix_rx_queue_count, .rx_descriptor_done = otx2_nix_rx_descriptor_done, .rx_descriptor_status = otx2_nix_rx_descriptor_status, + .tx_descriptor_status = otx2_nix_tx_descriptor_status, .tx_done_cleanup = otx2_nix_tx_done_cleanup, .pool_ops_supported = otx2_nix_pool_ops_supported, .filter_ctrl = otx2_nix_dev_filter_ctrl, @@ -1358,6 +2032,9 @@ static const struct eth_dev_ops otx2_eth_dev_ops = { .vlan_strip_queue_set = otx2_nix_vlan_strip_queue_set, .vlan_tpid_set = otx2_nix_vlan_tpid_set, .vlan_pvid_set = otx2_nix_vlan_pvid_set, + .rx_queue_intr_enable = otx2_nix_rx_queue_intr_enable, + .rx_queue_intr_disable = otx2_nix_rx_queue_intr_disable, + .read_clock = otx2_nix_read_clock, }; static inline int @@ -1521,7 +2198,8 @@ otx2_eth_dev_init(struct rte_eth_dev *eth_dev) dev->tx_offload_capa = nix_get_tx_offload_capa(dev); dev->rx_offload_capa = nix_get_rx_offload_capa(dev); - if (otx2_dev_is_A0(dev)) { + if (otx2_dev_is_96xx_A0(dev) || + otx2_dev_is_95xx_Ax(dev)) { dev->hwcap |= OTX2_FIXUP_F_MIN_4K_Q; dev->hwcap |= OTX2_FIXUP_F_LIMIT_CQ_FULL; } @@ -1531,6 +2209,8 @@ otx2_eth_dev_init(struct rte_eth_dev *eth_dev) if (rc) goto free_mac_addrs; + otx2_nix_mc_filter_init(dev); + otx2_nix_dbg("Port=%d pf=%d vf=%d ver=%s msix_off=%d hwcap=0x%" PRIx64 " rxoffload_capa=0x%" PRIx64 " txoffload_capa=0x%" PRIx64, eth_dev->data->port_id, dev->pf, dev->vf, @@ -1564,19 +2244,29 @@ otx2_eth_dev_uninit(struct rte_eth_dev *eth_dev, bool mbox_close) if (rte_eal_process_type() != RTE_PROC_PRIMARY) return 0; + /* Clear the flag since we are closing down */ + dev->configured = 0; + /* Disable nix bpid config */ otx2_nix_rxchan_bpid_cfg(eth_dev, false); + npc_rx_disable(dev); + /* Disable vlan offloads */ otx2_nix_vlan_fini(eth_dev); /* Disable other rte_flow entries */ otx2_flow_fini(dev); + /* Free multicast filter list */ + otx2_nix_mc_filter_fini(dev); + /* Disable PTP if already enabled */ if (otx2_ethdev_is_ptp_en(dev)) otx2_nix_timesync_disable(eth_dev); + nix_cgx_stop_link_event(dev); + /* Free up SQs */ for (i = 0; i < eth_dev->data->nb_tx_queues; i++) { otx2_nix_tx_queue_release(eth_dev->data->tx_queues[i]); @@ -1599,6 +2289,10 @@ otx2_eth_dev_uninit(struct rte_eth_dev *eth_dev, bool mbox_close) /* Unregister queue irqs */ oxt2_nix_unregister_queue_irqs(eth_dev); + /* Unregister cq irqs */ + if (eth_dev->data->dev_conf.intr_conf.rxq) + oxt2_nix_unregister_cq_irqs(eth_dev); + rc = nix_lf_free(dev); if (rc) otx2_err("Failed to free nix lf, rc=%d", rc); @@ -1632,6 +2326,24 @@ otx2_eth_dev_uninit(struct rte_eth_dev *eth_dev, bool mbox_close) return 0; } +static void +otx2_nix_dev_close(struct rte_eth_dev *eth_dev) +{ + otx2_eth_dev_uninit(eth_dev, true); +} + +static int +otx2_nix_dev_reset(struct rte_eth_dev *eth_dev) +{ + int rc; + + rc = otx2_eth_dev_uninit(eth_dev, false); + if (rc) + return rc; + + return otx2_eth_dev_init(eth_dev); +} + static int nix_remove(struct rte_pci_device *pci_dev) { @@ -1711,7 +2423,7 @@ static const struct rte_pci_id pci_nix_map[] = { static struct rte_pci_driver pci_nix = { .id_table = pci_nix_map, - .drv_flags = RTE_PCI_DRV_NEED_MAPPING | RTE_PCI_DRV_IOVA_AS_VA | + .drv_flags = RTE_PCI_DRV_NEED_MAPPING | RTE_PCI_DRV_NEED_IOVA_AS_VA | RTE_PCI_DRV_INTR_LSC, .probe = nix_probe, .remove = nix_remove,